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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 22, Number 11
BKCSDE 22(11)
November 20, 2001

Title	Photochemistry of 1-(o-Hydroxyphenyl)-2-pentamethyldisilanylethyne : Photoreaction in a Concentrated Benzene Solution and Photoreaction with Methanol or Acetone
Author	Seung Ki Park
Keywords	1-(o-Hydroxyphenyl)-2-pentamethyldisilanylethyne, Silacyclopropene, Photoreaction.
Abstract	Irradiation of 1-(o-hydroxyphenyl)-2-pentamethyldisilanylethyne 1 in a concentrated benzene solution has provided photodimer product 7 along with other reported photoproducts. Irradiation of 1 in methanol yields 1-(o-hydroxyphenyl)-2-trimethylsilylethyne 2 and its reduction product 13, via silacyclopropene intermediate 10, and the reduction product 8 and two methanol addition products, 11 and 12, via o-hydroxyphenylethyne. Photolysis of 1 with acetone in deaerated methylene chloride affords site specific and regioselective 1 : 1 adduct 16 via silacyclopropene intermediate 10.
Page	1202 - 1206
Full Text	PDF

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